Preheat the oven to 425°F (220°C).
Prepare the fish: Cut the fish into strips and pat them dry.
In a shallow dish, combine panko breadcrumbs, smoked paprika, garlic powder, cumin, salt, and pepper.
Coat each strip of fish with the breadcrumb mixture, pressing down to adhere.
Place the coated fish on a baking sheet lined with parchment paper.
Bake in the preheated oven for 12-15 minutes or until golden and crispy.
While the fish bakes, prepare the toppings: slice avocado, shred cabbage, and mix sour cream with lime juice.
Warm the corn tortillas in a dry skillet over medium heat.
Assemble the tacos: Place a few pieces of fish on each tortilla, top with cabbage, avocado slices, and drizzle with lime sour cream.
Serve immediately and enjoy!